diff --git a/pom.xml b/pom.xml
index daef7d6..5660875 100644
--- a/pom.xml
+++ b/pom.xml
@@ -68,7 +68,7 @@
 
     <!-- Spring (DI / Rest / Security) -->
     <spring-boot.version>1.4.0.RELEASE</spring-boot.version>
-    <spring.version>4.3.2.RELEASE</spring.version>
+    <spring.version>5.2.22.RELEASE</spring.version>
     <spring.security.version>3.2.5.RELEASE</spring.security.version>
     <spring.ldap.version>2.0.1.RELEASE</spring.ldap.version>
     <aspectj.version>1.7.4</aspectj.version>